WMSIC Electronic Components

Hangzhou Ruimeng MS726

ModelMS726
PackageSOP-8-EP
BrandElectronic Component
Price Price on request Electronic component prices change quickly with market supply and demand. Please refer to the latest WMSIC quotation for current pricing.
Configuration
1 options
Configuration 26+

Available for RFQ

Technical data

Product details

17 specifications

Core information

Product name
MS726
Type
Relmon
Minimum package
1500 圆盘

Technical parameters

Electronic Component
Electronic Component
Electronic Component
Electronic Component
Electronic Component
MS726
Electronic Component
1
Package
SOP-8-EP
Electronic Component
Buffers / Drivers / Transceivers
Electronic Component
0.102g
Electronic Component
1
Electronic Component
BM0265802204
Operating Temperature
25℃~+85℃
Operating Voltage
3.3V
Type
Electronic Component
Electronic Component
Electronic Component
Electronic Component
1500

For datasheets, package documents, compatible-part guidance, or other technical resources, contact WMSIC customer service. Availability is confirmed case by case.

杭州瑞盟MS726双路低功耗精密运算放大器产品概述

一、产品定位与核心特性

杭州瑞盟MS726是一款国产自主可控的双路低功耗精密运算放大器,专为电池供电设备、工业传感器信号调理等对「功耗+精度」双重要求较高的场景设计。核心特性聚焦三大优势:

  1. 超小静态功耗:典型值仅1μA,可大幅延长电池供电设备的续航时间(如便携式医疗仪器可提升30%以上待机时长);
  2. 高精密性能:失调电压最大100μV、增益带宽积1MHz,满足热电偶、PT100等弱信号的精准放大需求;
  3. 宽适配性:单电源2.75.5V(3.3V为典型工作电压)、双电源±1.35±2.75V,工业级温度范围-25℃~+85℃,适配户外、车间等复杂环境。

二、关键电气参数与封装说明

2.1 核心电气参数

参数类型 典型值 最大值 单位 单电源静态电流 1.0 1.5 μA 输入失调电压 50 100 μV 增益带宽积(GBW) 1.0 —— MHz 输入失调电流 1.0 5.0 pA 电源电压范围(单电源) 3.3 2.7~5.5 V 工作温度范围 —— -25~+85 ℃

2.2 封装细节

MS726采用SOP-8-EP封装(8引脚小外形封装+裸露焊盘),引脚定义清晰:

  • 1脚:通道1输出(OUT1)
  • 2脚:通道1反相输入(IN1-)
  • 3脚:通道1同相输入(IN1+)
  • 4脚:接地/负电源(GND/VEE)
  • 5脚:正电源(VCC/VDD)
  • 6脚:通道2同相输入(IN2+)
  • 7脚:通道2反相输入(IN2-)
  • 8脚:通道2输出(OUT2)

裸露焊盘需焊接至PCB地平面,可将热阻降至100℃/W,有效提升器件在高负载下的稳定性。

三、典型应用场景

MS726的特性使其适配多类高需求场景:

  1. 便携式医疗设备:血糖监测仪、血压计的传感器信号放大(如光电传感器输出的微安级信号调理);
  2. 工业传感系统:热电偶、PT100温度传感器的信号放大,压力变送器的差分信号处理(适配-25~+85℃工业环境);
  3. 可穿戴设备:运动手环、智能手表的生物电信号(心率、肌电)调理,低功耗特性延长设备续航;
  4. 物联网终端:智能电表的电流电压采样放大,智能家居温湿度/气体传感器的信号预处理;
  5. 低功耗工业控制:小型PLC模拟量输入模块、电池供电无线传感器节点(WSN)的信号放大。

四、产品优势与设计要点

4.1 国产替代优势

MS726可实现对进口同类器件(如TI TLV2462、ADI AD8606)的pin-to-pin兼容替代,成本降低20%30%,同时适配国内供应链,缩短供货周期(典型交货期12周)。

4.2 设计注意事项

  1. 电源滤波:3.3V电源输入端需并联100nF陶瓷电容(靠近器件引脚),抑制高频噪声;
  2. 输入保护:CMOS输入端口避免过压(超过电源±0.3V),可串联10kΩ电阻限流;
  3. 裸露焊盘处理:必须焊接至PCB地平面,否则会降低抗干扰能力与热性能;
  4. 差分布线:输入为差分信号时,需采用等长、等距布线,减少共模干扰。

五、总结

杭州瑞盟MS726是一款性价比突出的双路低功耗精密运放,兼顾「低功耗」与「高精密」,适配工业级温度范围与3.3V典型供电,广泛应用于便携式医疗、工业传感、可穿戴等领域。其国产自主可控特性与pin-to-pin兼容优势,为进口器件替代提供了可靠选择,是国内电子设计中信号调理环节的优选器件之一。

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